Main page›Actors›xAI xAI A company referenced in 6 ledger entries. xAI appears across 6 entries spanning 2024–2026. 2026 2026-05-05 CAISI Signs Pre-Deployment AI Evaluation Agreements with Google DeepMind, Microsoft, and xAI Notable 2026-04-21 SpaceX Secures $60 Billion Option to Acquire Cursor in Joint Coding AI Deal Notable 2026-01-06 xAI Raises $20B Series E at ~$230B Valuation Major 2025 2025-07-09 xAI Releases Grok 4 and Grok 4 Heavy Major 2025-07-08 xAI's Grok Calls Itself 'MechaHitler' After Rogue System-Prompt Update Major 2024 2024-03-17 xAI Open-Sources Grok-1 Model Weights Notable See also Aleph AlphaAlibabaAmazonAMDAndreessen HorowitzAnthropic All actors